Question

2× + y = 5 3x - y = 10​

Answer 1

x = 3

x = 3y = -1

2x + y = 5

3x - y = 10

5x = 15

x = 3

3 (3) - y = 10

9 - y = 10

-y = 1

y = -1

2 × 3 - 1 = 5

6 - 1 = 5

5 = 5

3 (3) + 1 = 10

9 + 1 = 10

10 = 10